Power line universal monitor
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United States of America Patent
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N/A
Issued Date -
Mar 27, 2008
app pub date -
Sep 25, 2006
filing date -
Sep 25, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention is primarily directed to hot-stick mountable wireless High Voltage Power Line Universal Monitors (PLUM) upon energized electrical power conductors. The PLUM wireless sensors monitor parameters associated with normal, overload and emergency operation of the power line. The present invention provides 0.2% metering grade voltage measurement accuracy through unique e-field measurements, synchronized through UltraSatNet Global Positioning Satellite (GPS) accuracy timing pulses. The invention further improves accuracy using a unique calibration technique during initial installation of the PLUM sensor modules. A PLUM master controller receives time-synchronized data from multiple modules within a substation and across a state-wide power grid for accurate post-fault, sequence-of-events analysis, high impedance fault signature analysis, and environmental and earthquake monitoring.
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